Blood enters the pulmonary vein with close to 100% of the blinding site for oxygen saturated.
Both are fresh water people use them for drinking water
Answer:
The force that causes most of the movement is thermal convection, where heat from the Earth's interior causes currents of hot rising magna and cooler sinking magna to flow
Explanation:
Answer:
Gills, Scales, swim bladder, and backbone.
Answer:
a niche is a specific area if habitation where an orgnism perfoms its daily activities